之前配置logback按天分割无效，后来更改了配置生效。
更改后的配置：

<?xml version="1.0" encoding="UTF-8"?>
<configuration scan="true">
    <springProperty scope="context" name="logName" source="spring.application.name" defaultValue="transcription.log"/>
    <springProperty scope="context" name="logPath" source="log.path"/>
    <property name="LOG_PATH" value="${logPath}" />
    <property name="LOG_PATTERN" value="%d{MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{56} - %msg%n"></property>
    <appender name="FILE"  class="ch.qos.logback.core.rolling.RollingFileAppender">
        <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
            <!--日志文件输出的文件名-->
            <FileNamePattern>${LOG_PATH}/${logName}-%d{yyyy-MM-dd}.%i.log</FileNamePattern>
            <!--日志文件保留天数-->
            <MaxHistory>30</MaxHistory>
            <maxFileSize>100MB</maxFileSize>
        </rollingPolicy>
        <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
            <!--格式化输出：%d表示日期，%thread表示线程名，%-5level：级别从左显示5个字符宽度%msg：日志消息，%n是换行符-->
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
        </encoder>
    </appender>
    <!-- Console output -->
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>${LOG_PATTERN}</pattern>
            <charset>UTF-8</charset> <!-- 此处设置字符集 -->
        </encoder>
        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
            <level>INFO</level>
        </filter>
    </appender>
    
    <root level="INFO">
        <appender-ref ref="STDOUT" />
        <appender-ref ref="FILE" />
    </root>
    <logger name="org.springframework" level="INFO"/>
</configuration>